Citizen Promaster Sky CB0248 vs Mido Ocean Star GMT
Citizen's pilot watch meets Mido's diver
Quick Verdict
The Citizen Promaster Sky CB0248 ($250–$500) offers Citizen Eco-Drive precision in the tier below the Mido Ocean Star GMT ($1,000–$1,500). The Promaster Sky CB0248 measures 42.4mm and is rated for daily wear. The Ocean Star GMT counters with Swiss Made craftsmanship and 200m (20 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Citizen Promaster Sky CB0248 | Mido Ocean Star GMT |
|---|---|---|
| Price | $250–$500 | $1,000–$1,500 |
| Case Size | 42.4mm | 44mm |
| Movement | Eco-Drive Radio-Controlled | Automatic Caliber 80 (Base ETA C07.661) |
| Caliber Type | Citizen Eco-Drive | Automatic (ETA C07.661 base) |
| Power Reserve | — | 80 Hours |
| Water Resistance | — | 200m (20 ATM) |
| Crystal | — | Sapphire with Double-sided AR |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Mido's approach
The Citizen Promaster Sky CB0248 features a Stainless Steel case at 42.4mm with crystal protection. The Mido Ocean Star GMT offers Stainless Steel construction at 44mm with Sapphire with Double-sided AR. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Radio-Controlled vs Automatic Caliber 80 (Base ETA C07.661)
The Promaster Sky CB0248 runs the Eco-Drive Radio-Controlled (Citizen Eco-Drive, standard power reserve) at standard frequency. The Ocean Star GMT uses the Automatic Caliber 80 (Base ETA C07.661) (Automatic (ETA C07.661 base), 80 Hours reserve) at 21,600 vph (3 Hz). The Ocean Star GMT offers a longer power reserve.
Wearability & Fit
42.4mm vs 44mm — different wrist presence
At 42.4mm, the Promaster Sky CB0248 wears more compactly on smaller wrists compared to the Ocean Star GMT at 44mm. Water resistance differs: 50m vs 200m (20 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Promaster Sky CB0248 sits at $250–$500 and the Mido Ocean Star GMT at $1,000–$1,500. On the specs that outlast any price: the Promaster Sky CB0248 uses a hardened crystal with a standard reserve, against Sapphire with Double-sided AR and 80 Hours on the Ocean Star GMT. Service intervals are typically 5-7 years for both.
Water Resistance
50m vs 200m (20 ATM)
The Promaster Sky CB0248 is rated to 50m while the Ocean Star GMT handles 200m (20 ATM). The Ocean Star GMT offers superior water resistance.
Our Verdict
Citizen
Promaster Sky CB0248
Choose the Citizen Promaster Sky CB0248 if you prioritize Citizen Eco-Drive engineering, Citizen (Japan) craftsmanship, and reliable water resistance. At $250–$500, it delivers Eco-Drive Radio-Controlled with solid power reserve.
Check Price on AmazonMido
Ocean Star GMT
Choose the Mido Ocean Star GMT if you value Automatic (ETA C07.661 base) technology, Swiss Made heritage, and 44mm proportions. At $1,000–$1,500, the Automatic Caliber 80 (Base ETA C07.661) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Sky CB0248 and Mido Ocean Star GMT represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Mido delivers Swiss Made engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.